1. plummet 暴跌
例句:In Tokyo share prices have plummeted for the sixth successive day.
在東京,股價已經是連續第6天暴跌了 。
2. critically endangered 極度瀕危
例句:The Cuban crocodile, illegally hunted for its meat and skin, was moved to the critically endangered category.
古巴鱷魚,也由于其肉和皮遭到非法獵殺,被轉移到了極度瀕危類 。